MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF sample was flagged by multiple heuristics and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded JavaScript stream and a link farm pointing to various disposable domains, likely intended to redirect users to malicious sites or download further payloads. The ML classifier also returned a high confidence score for maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/fbbc16568fefd33e5015f91f00201acb/16611360288.pdf In PDF document text
- http://jogagongu.pl/userfiles/file/nabuzobajoguvilinujomeme.pdfIn PDF document text
- http://akcihlar.cz/userfiles/file/79864239623.pdfIn PDF document text
- https://hinaweb.com/upload/file/70186189388.pdfIn PDF document text
- https://dpengineers.info/admin/userfiles/file/72976457072.pdfIn PDF document text
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/f2c9c4eccafa2862dbb1e1342e1bc6d3/61255308872.pdfIn PDF document text
- http://slesnick.net/userfiles/files/45540510169.pdfIn PDF document text
- http://benthanhsgfarm.net/images/uploads/files/95394939711.pdfIn PDF document text
- http://jmdfhjl.com/fckeditor/userimages/file/38483967896.pdfIn PDF document text
- http://burbank.kopanramen.com/uploads/files/dapajebuvibifomalabukebu.pdfIn PDF document text
- https://mlbcsimleague.com/ckfinder/userfiles/files/rejawesejapojonazari.pdfIn PDF document text
- https://casalindasbakery.com/ckfinder/userfiles/files/bipix.pdfIn PDF document text
- http://gamax-moto.cz/data/dokumenty/44859437239.pdfIn PDF document text
- http://3q1p.com/upload/file/210902172639590395ohl3hjbgp7gr.pdfIn PDF document text
- https://sca-eagleegg5k.com/ckfinder/triplebuserfiles/file/woxivorobapoga.pdfIn PDF document text
- http://ressourcengarten.de/azubi/userfiles/files/23039538784.pdfIn PDF document text
- http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/nofarukulinabudulit.pdfIn PDF document text
- http://facyt.com.ar/ckfinder/userfiles/files/83840132646.pdfIn PDF document text
- https://braintreeclinics.com/app/webroot/img/files/60348346017.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161451b060898b---97766802711.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+turn+off+safe+mode+on+tabletPDF link annotation
- http://s292376414.onlinehome.fr/datas/imgmail/file/juxamozilenoxufubemavez.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d2ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2EF | 17376 bytes |
SHA-256: fde591e682e94b16615ecb5ae0c9fe94e258c4be64e98a49fc70ab60acae5e65 |
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font_01_sfnt_off0000ff79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF79 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011790.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11790 | 10740 bytes |
SHA-256: bad40410eae1cb4daba87c65f4935112fdc34060391a3173e35df01ac6f36e05 |
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